#二维列表的遍历
lst = [
    ['城市','环比','同比'],
    ['北京',12,23],
    ['上海',45,32],
    ['天津',88,79],
]
# print(lst)
for item in lst:
    for i in item:
        print(i,end='\t')
    print()
#二维列表生成式 5行6列
lst2 = [[item for item in range(6)] for item in range(5)]
print(lst2)